Chikyū 33 Banchi, Geographical monument in Kōchi, Japan.
Chikyū 33 Banchi is a geographical monument in Kōchi located along a small canal in a residential area. A structure built on a pier marks the precise point where specific geographical coordinates intersect.
The monument was created to mark one of the world's rare locations where East Longitude 133°33'33" and North Latitude 33°33'33" intersect. It represents a remarkable geographic point among only nine known places with this mathematical property.
The name reflects the repeating numbers that define this geographic point and its mathematical significance. Visitors can experience how the community engages with this distinctive location.
The site lies in a residential neighborhood and is best reached on foot through small local streets. Its location near a waterway means it is worth visiting under favorable conditions to safely access the pier.
The site has a special mathematical property: the coordinates consist only of the digit three repeated, making it one of the world's rarest points. This 'numerical harmony' draws people interested in unusual geographic positions.
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